678233320 has 32 divisors (see below), whose sum is σ = 1551895200. Its totient is φ = 266694208.

The previous prime is 678233317. The next prime is 678233321. The reversal of 678233320 is 23332876.

It is not an unprimeable number, because it can be changed into a prime (678233321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141334 + ... + 146053.

It is an arithmetic number, because the mean of its divisors is an integer number (48496725).

Almost surely, 2^678233320 is an apocalyptic number.

It is an amenable number.

678233320 is an abundant number, since it is smaller than the sum of its proper divisors (873661880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678233320 is a wasteful number, since it uses less digits than its factorization.

678233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287457 (or 287453 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 678233320 is about 26042.9130475068. The cubic root of 678233320 is about 878.6037258208.

The spelling of 678233320 in words is "six hundred seventy-eight million, two hundred thirty-three thousand, three hundred twenty".